Perhaps you should try some spelling variations:
thanh hoa » thanh pho
cua triet » cua viet, su triet, va triet
thanh de » hanh de, thanh ve, thanh le
thanh do » thanh pho, thanh loi, thanh dat
su sach » so sach, vu sach
nang xa » nang x, lang xa, nang ma
hieu ve » hieu va, hieu van
thu van » thuc van, thuy van, tu van
y nang » ky nang, ly nang, v nang
ve nam » he nam, va nam, le nam

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: su sach y nang xa hoi. hieu ve nam thu van ((thanh de) or (((thanh do) OR (thanh hoa)))) cua triet~.
• If you are trying to use Boolean operators, they must be ALL CAPS: su sach y nang xa hoi. hieu ve nam thu van ((thanh de) OR (((thanh do) OR (thanh hoa)))) cua triet*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "su sach y nang xa hoi. hieu ve nam thu van ((thanh de) or (((thanh do) OR (thanh hoa)))) cua triet*".